Square D HDA36100US 100A 3-Pole 600 V Circuit Breaker

The Square D HDA36100US 100A 3-Pole 600 V Circuit Breaker is built for demanding 3-phase systems where dependable protection matters. With a 100 A current rating and a three-pole design, this unit delivers coordinated protection across all phases in commercial and industrial panelboards, helping to prevent damaging overloads and electrical faults.

Key strengths you’ll notice in everyday operation

• Three-pole, 100 A protection provides balanced safeguarding for all three phases in 3‑phase circuits, reducing the risk of uneven load and component damage.
• 600 V voltage rating suited for industrial feeders, switchgear, and panelboards in demanding environments.
• Part number HDA36100US ensures precise replacement and straightforward ordering for upgrades or maintenance.
• Designed for compatibility with Square D panels and compatible switchgear, enabling smooth installation and reliable performance within existing systems.
• Simple installation and reliable operation with standard terminal configurations, helping facilities minimize downtime during replacements or upgrades.

Who benefits from this circuit breaker

• Facilities relying on clean, uninterrupted 3-phase power—manufacturing floors, data centers, and large commercial environments.
• Electrical engineers and technicians performing routine maintenance or OEM replacements in Square D ecosystems.
• Projects that require straightforward, category-wide protection for all three phases without compromising space or compatibility.

Why this model matters in real-world use

Choosing a 3-pole 600 V breaker like the HDA36100US means you’re prioritizing synchronized protection across all phases. In fault conditions, this helps ensure a rapid, coordinated disconnection, safeguarding conductors, motors, and downstream equipment while contributing to safer, more predictable downtime and maintenance cycles.

Practical tips for installation and maintenance

• Verify panel compatibility with the HDA36100US and confirm it matches your system’s 3-phase configuration.
• Consult your panel’s installation guide to ensure proper terminal engagement and mounting fit.
• Keep a spare HDA36100US on hand for quick replacement during scheduled maintenance or unexpected outages.
• Store the unit in a dry, clean area to preserve performance and longevity before installation.

For robust, reliable 3-phase protection in demanding environments, the Square D HDA36100US remains a trusted choice. Add this 100A, 3-Pole, 600 V breaker to your electrical system and safeguard your panels, feeders, and equipment with a time-tested Square D solution.